Title:
炭酸リチウムの製造方法
Document Type and Number:
Japanese Patent JP7158568
Kind Code:
B2
Abstract:
A method for producing lithium carbonate includes: a dissolution step of dissolving crude lithium carbonate in a liquid while feeding a carbon dioxide gas; a decarbonization step of heating a lithium dissolved solution obtained in the dissolution step to release carbonic acid, wherein the dissolution step comprises storing the liquid mixed with the crude lithium carbonate in a reaction vessel, and agitating the liquid using an agitator, and wherein the agitator includes: a cylindrical body arranged upright in the reaction vessel; a plurality of rotary blades placed at one end side of the cylindrical body, the rotary blades driven to rotate around a rotation axis, and extending in a radial direction; a plurality of fixed blades fixed and arranged at the one end side of the cylinder body on a radially outer side of the rotary blades, each of the fixed blades extending in the radial direction; and a gas feed pipe for feeding a gas toward the rotary blades and the fixed blades.
Inventors:
Hiroiki Ariyoshi
Tomita Isao
Hiroshi Abe
Tomita Isao
Hiroshi Abe
Application Number:
JP2021512074A
Publication Date:
October 21, 2022
Filing Date:
March 27, 2020
Export Citation:
Assignee:
JX Nippon Mining & Metals Co., Ltd.
International Classes:
C22B26/12; B01F23/23; B01F27/11; B01F27/2122; C01D15/08; C22B3/06
Domestic Patent References:
| JP2018145473A | ||||
| JP2000234194A | ||||
| JP2018095550A |
Attorney, Agent or Firm:
Axis International Patent Business Corporation